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* ext/tcltklib/tcltklib.c: add TclTkIp#_create_console() method to
create a Tcl/Tk's console window. * ext/tk/lib/multi-tk.rb: support TclTkIp#_create_console() method. * ext/tk/lib/remote-tk.rb: ditto. * ext/tk/lib/tk/console.rb: ditto. * ext/tk/lib/tk.rb: update RELEASE_DATE * ext/tk/sample/demo-*/check2.rb: use 'return' in the Proc object. * ext/tk/sample/tkextlib/**: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@8213 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nagai
parent
496cf2d757
commit
69ef4bae62
16 changed files with 594 additions and 442 deletions
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@ -6,401 +6,431 @@
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require 'tk'
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require 'tkextlib/tkHTML'
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root = TkRoot.new(:title=>'HTML File Viewer', :iconname=>'HV')
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fswin = nil
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html = nil
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html_fs = nil
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hotkey = {}
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file = ARGV[0]
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class TkHTML_File_Viewer
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include TkComm
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# These are images to use with the actual image specified in a
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# "<img>" markup can't be found.
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#
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biggray = TkPhotoImage.new(:data=><<'EOD')
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@@biggray = TkPhotoImage.new(:data=><<'EOD')
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R0lGODdhPAA+APAAALi4uAAAACwAAAAAPAA+AAACQISPqcvtD6OctNqLs968+w+G4kiW5omm
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6sq27gvH8kzX9o3n+s73/g8MCofEovGITCqXzKbzCY1Kp9Sq9YrNFgsAO///
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EOD
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smgray = TkPhotoImage.new(:data=><<'EOD')
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@@smgray = TkPhotoImage.new(:data=><<'EOD')
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R0lGODdhOAAYAPAAALi4uAAAACwAAAAAOAAYAAACI4SPqcvtD6OctNqLs968+w+G4kiW5omm
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6sq27gvH8kzX9m0VADv/
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EOD
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def initialize(file = nil)
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@root = TkRoot.new(:title=>'HTML File Viewer', :iconname=>'HV')
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@fswin = nil
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#
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# A font chooser routine.
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#
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# html[:fontcommand] = pick_font
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pick_font = proc{|size, attrs|
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# puts "FontCmd: #{size} #{attrs}"
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[ ((attrs =~ /fixed/)? 'courier': 'charter'),
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(12 * (1.2**(size.to_f - 4.0))).to_i,
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((attrs =~ /italic/)? 'italic': 'roman'),
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((attrs =~ /bold/)? 'bold': 'normal') ].join(' ')
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}
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@html = nil
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@html_fs = nil
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# This routine is called to pick fonts for the fullscreen view.
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#
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baseFontSize = 24
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pick_font_fs = proc{|size, attrs|
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# puts "FontCmd: #{size} #{attrs}"
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[ ((attrs =~ /fixed/)? 'courier': 'charter'),
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(baseFontSize * (1.2**(size.to_f - 4.0))).to_i,
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((attrs =~ /italic/)? 'italic': 'roman'),
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((attrs =~ /bold/)? 'bold': 'normal') ].join(' ')
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}
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@hotkey = {}
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#
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#
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hyper_cmd = proc{|*args|
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puts "HyperlinkCommand: #{args.inspect}"
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}
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@applet_arg = TkVarAccess.new_hash('AppletArg')
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# This routine is called to run an applet
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#
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applet_arg = TkVarAccess.new_hash('AppletArg')
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run_applet = proc{|size, w, arglist|
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applet_arg.value = Hash[*simplelist(arglist)]
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@images = {}
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@old_imgs = {}
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@big_imgs = {}
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return unless applet_arg.key?('src')
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@last_dir = Dir.pwd
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src = html.remove(applet_arg['src'])
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@last_file = ''
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applet_arg['window'] = w
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applet_arg['fontsize'] = size
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@key_block = false
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begin
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Tk.load_tclscript(src)
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rescue => e
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puts "Applet error: #{e.message}"
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end
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}
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Tk::HTML_Widget::ClippingWindow.bind('1',
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proc{|w, ksym| key_press(w, ksym)},
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'%W Down')
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Tk::HTML_Widget::ClippingWindow.bind('3',
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proc{|w, ksym| key_press(w, ksym)},
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'%W Up')
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Tk::HTML_Widget::ClippingWindow.bind('2',
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proc{|w, ksym| key_press(w, ksym)},
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'%W Down')
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#
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#
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form_cmd = proc{|n, cmd, *args|
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}
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Tk::HTML_Widget::ClippingWindow.bind('KeyPress',
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proc{|w, ksym| key_press(w, ksym)},
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'%W %K')
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#
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#
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images = {}
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old_imgs = {}
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big_imgs = {}
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############################################
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#
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# Build the half-size view of the page
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#
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menu_spec = [
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[['File', 0],
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['Open', proc{sel_load()}, 0],
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['Full Screen', proc{fullscreen()}, 0],
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['Refresh', proc{refresh()}, 0],
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'---',
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['Exit', proc{exit}, 1]]
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]
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#
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#
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move_big_image = proc{|b|
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return unless big_imgs.key?(b)
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b.copy(big_imgs[b])
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big_imgs[b].delete
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big_imgs.delete(b)
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}
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mbar = @root.add_menubar(menu_spec)
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image_cmd = proc{|hs, *args|
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fn = args[0]
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if old_imgs.key?(fn)
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return (images[fn] = old_imgs.delete(fn))
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end
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begin
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img = TkPhotoImage.new(:file=>fn)
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rescue
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return ((hs)? smallgray: biggray)
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end
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if hs
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img2 = TkPhotoImage.new
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img2.copy(img, :subsample=>[2,2])
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img.delete
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img = img2
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end
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if img.width * img.height > 20000
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b = TkPhotoImage.new(:width=>img.width, :height=>img.height)
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big_imgs[b] = img
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img = b
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Tk.after_idle(proc{ move_big_image.call(b) })
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end
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images[fn] = img
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img
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}
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#
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# This routine is called for every <SCRIPT> markup
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#
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script_cmd = proc{|*args|
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# puts "ScriptCmd: #{args.inspect}"
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}
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# This routine is called for every <APPLET> markup
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#
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applet_cmd = proc{|w, arglist|
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# puts "AppletCmd: w=#{w} arglist=#{arglist}"
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#TkLabel.new(w, :text=>"The Applet #{w}", :bd=>2, :relief=>raised)
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}
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# This binding fires when there is a click on a hyperlink
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#
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href_binding = proc{|w, x, y|
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lst = w.href(x, y)
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unless lst.empty?
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process_url.call(lst)
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end
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}
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#
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#
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last_dir = Dir.pwd
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load_file = nil
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sel_load = proc{
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filetypes = [
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['Html Files', ['.html', '.htm']],
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['All Files', '*']
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]
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f = Tk.getOpenFile(:initialdir=>last_dir, :filetypes=>filetypes)
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if f != ''
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load_file.call(f)
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last_dir = File.dirname(f)
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end
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}
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# Clear the screen.
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#
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clear_screen = proc{
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if html_fs && html_fs.exist?
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w = html_fs
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else
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w = html
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end
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w.clear
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old_imgs.clear
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big_imgs.clear
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hotkey.clear
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images.each{|k, v| old_imgs[k] = v }
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images.clear
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}
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# Read a file
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#
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read_file = proc{|name|
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begin
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fp = open(name, 'r')
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ret = fp.read(File.size(name))
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rescue
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ret = nil
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fp = nil
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Tk.messageBox(:icon=>'error', :message=>"fail to open '#{name}'",
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:type=>:ok)
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ensure
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fp.close if fp
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end
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ret
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}
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# Process the given URL
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#
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process_url = proc{|url|
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case url[0]
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when /^file:/
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load_file.call(url[0][5..-1])
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when /^exec:/
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Tk.ip_eval(url[0][5..-1].tr('\\', ' '))
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else
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load_file.call(url[0])
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end
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}
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# Load a file into the HTML widget
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#
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last_file = ''
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load_file = proc{|name|
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return unless (doc = read_file.call(name))
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clear_screen.call
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last_file = name
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if html_fs && html_fs.exist?
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w = html_fs
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else
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w = html
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end
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w.configure(:base=>name)
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w.parse(doc)
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w.configure(:cursor=>'top_left_arrow')
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old_imgs.clear
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}
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# Refresh the current file.
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#
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refresh = proc{|*args|
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load_file.call(last_file) if last_file
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}
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# This routine is called whenever a "<meta>" markup is seen.
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#
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meta = proc{|w, tag, alist|
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v = Hash[*simplelist(alist)]
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if v.kye?('key') && v.key?('href')
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hotkey[v['key']] = w.resolve(v['href'])
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end
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if v.kye?('next')
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hotkey['Down'] =v['next']
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end
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if v.kye?('prev')
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hotkey['Up'] =v['prev']
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end
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if v.kye?('other')
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hotkey['o'] =v['other']
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end
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}
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# Go from full-screen mode back to window mode.
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#
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fullscreen_off = proc{
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fswin.destroy
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root.deiconify
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Tk.update
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root.raise
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html.clipwin.focus
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clear_screen.call
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old_imgs.clear
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refresh.call
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}
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# Go from window mode to full-screen mode.
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#
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fullscreen = proc{
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if fswin && fswin.exist?
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fswin.deiconify
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Tk.update
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fswin.raise
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return
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end
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width = root.winfo_screenwidth
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height = root.winfo_screenheight
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fswin = TkToplevel.new(:overrideredirect=>true,
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:geometry=>"#{width}x#{height}+0+0")
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html_fs = Tk::HTML_Widget.new(fswin, :padx=>5, :pady=>9,
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:formcommand=>form_cmd,
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:imagecommand=>proc{image_cmd.call(0)},
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:scriptcommand=>script_cmd,
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:appletcommand=>applet_cmd,
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:hyperlinkcommand=>hyper_cmd,
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:bg=>'white', :tablerelief=>:raised,
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:appletcommand=>proc{|*args|
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run_applet('big', *args)
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@html = Tk::HTML_Widget.new(:width=>512, :height=>384,
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:padx=>5, :pady=>9,
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:formcommand=>proc{|*args| form_cmd(*args)},
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:imagecommand=>proc{|*args|
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image_cmd(1, *args)
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},
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:fontcommand=>pick_font_fs,
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:cursor=>:tcross) {
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pack(:fill=>:both, :expand=>true)
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token_handler('meta', proc{|*args| meta.call(self, *args)})
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}
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:scriptcommand=>proc{|*args|
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script_cmd(*args)
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},
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:appletcommand=>proc{|*args|
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applet_cmd(*args)
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},
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:hyperlinkcommand=>proc{|*args|
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hyper_cmd(*args)
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},
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:fontcommand=>proc{|*args|
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pick_font(*args)
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},
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:appletcommand=>proc{|*args|
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run_applet('small', *args)
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},
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:bg=>'white', :tablerelief=>:raised)
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clear_screen.call
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old_imgs.clear
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refresh.call
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Tk.update
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html_fs.clipwin.focus
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}
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@html.token_handler('meta', proc{|*args| meta(@html, *args)})
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#
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#
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key_block = false
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vscr = @html.yscrollbar(TkScrollbar.new)
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hscr = @html.xscrollbar(TkScrollbar.new)
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key_press = proc{|w, keysym|
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return if key_block
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key_block = true
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Tk.after(250, proc{key_block = false})
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Tk.grid(@html, vscr, :sticky=>:news)
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Tk.grid(hscr, :sticky=>:ew)
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@root.grid_columnconfigure(0, :weight=>1)
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@root.grid_columnconfigure(1, :weight=>0)
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@root.grid_rowconfigure(0, :weight=>1)
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@root.grid_rowconfigure(1, :weight=>0)
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if hotkey.key?(keysym)
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process_url.call(hotkey[keysym])
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end
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case keysym
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when 'Escape'
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if fswin && fswin.exist?
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fullscreen_off.call
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else
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fullscreen.call
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############################################
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@html.clipwin.focus
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# If an arguent was specified, read it into the HTML widget.
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#
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Tk.update
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if file && file != ""
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load_file(file)
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end
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end
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}
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Tk::HTML_Widget::ClippingWindow.bind('1', key_press, '%W Down')
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Tk::HTML_Widget::ClippingWindow.bind('3', key_press, '%W Up')
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Tk::HTML_Widget::ClippingWindow.bind('2', key_press, '%w Down')
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#
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# A font chooser routine.
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#
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# html[:fontcommand] = pick_font
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def pick_font(size, attrs)
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# puts "FontCmd: #{size} #{attrs}"
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[ ((attrs =~ /fixed/)? 'courier': 'charter'),
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(12 * (1.2**(size.to_f - 4.0))).to_i,
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((attrs =~ /italic/)? 'italic': 'roman'),
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((attrs =~ /bold/)? 'bold': 'normal') ].join(' ')
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end
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Tk::HTML_Widget::ClippingWindow.bind('KeyPress', key_press, '%W %K')
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# This routine is called to pick fonts for the fullscreen view.
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#
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def pick_font_fs(size, attrs)
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baseFontSize = 24
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|
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# puts "FontCmd: #{size} #{attrs}"
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[ ((attrs =~ /fixed/)? 'courier': 'charter'),
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(baseFontSize * (1.2**(size.to_f - 4.0))).to_i,
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((attrs =~ /italic/)? 'italic': 'roman'),
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((attrs =~ /bold/)? 'bold': 'normal') ].join(' ')
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end
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############################################
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#
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# Build the half-size view of the page
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#
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menu_spec = [
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[['File', 0],
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['Open', sel_load, 0],
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['Full Screen', fullscreen, 0],
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['Refresh', refresh, 0],
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'---',
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['Exit', proc{exit}, 1]]
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]
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#
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#
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def hyper_cmd(*args)
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puts "HyperlinkCommand: #{args.inspect}"
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end
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mbar = root.add_menubar(menu_spec)
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# This routine is called to run an applet
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#
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def run_applet(size, w, arglist)
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applet_arg.value = Hash[*simplelist(arglist)]
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html = Tk::HTML_Widget.new(:width=>512, :height=>384,
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:padx=>5, :pady=>9,
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:formcommand=>form_cmd,
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:imagecommand=>proc{|*args|
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image_cmd.call(1, *args)
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},
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:scriptcommand=>script_cmd,
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:appletcommand=>applet_cmd,
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:hyperlinkcommand=>hyper_cmd,
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:fontcommand=>pick_font,
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:appletcommand=>proc{|*args|
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run_applet.call('small', *args)
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},
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:bg=>'white', :tablerelief=>:raised)
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return unless @applet_arg.key?('src')
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html.token_handler('meta', proc{|*args| meta.call(html, *args)})
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src = @html.remove(@applet_arg['src'])
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vscr = html.yscrollbar(TkScrollbar.new)
|
||||
hscr = html.xscrollbar(TkScrollbar.new)
|
||||
@applet_arg['window'] = w
|
||||
@applet_arg['fontsize'] = size
|
||||
|
||||
Tk.grid(html, vscr, :sticky=>:news)
|
||||
Tk.grid(hscr, :sticky=>:ew)
|
||||
Tk.root.grid_columnconfigure(0, :weight=>1)
|
||||
Tk.root.grid_columnconfigure(1, :weight=>0)
|
||||
Tk.root.grid_rowconfigure(0, :weight=>1)
|
||||
Tk.root.grid_rowconfigure(1, :weight=>0)
|
||||
begin
|
||||
Tk.load_tclscript(src)
|
||||
rescue => e
|
||||
puts "Applet error: #{e.message}"
|
||||
end
|
||||
end
|
||||
|
||||
#
|
||||
#
|
||||
def form_cmd(n, cmd, *args)
|
||||
# p [n, cmd, *args]
|
||||
end
|
||||
|
||||
############################################
|
||||
#
|
||||
#
|
||||
def move_big_image(b)
|
||||
return unless @big_imgs.key?(b)
|
||||
b.copy(@big_imgs[b])
|
||||
@big_imgs[b].delete
|
||||
@big_imgs.delete(b)
|
||||
end
|
||||
|
||||
html.clipwin.focus
|
||||
def image_cmd(hs, *args)
|
||||
fn = args[0]
|
||||
|
||||
# If an arguent was specified, read it into the HTML widget.
|
||||
#
|
||||
Tk.update
|
||||
if file && file != ""
|
||||
load_file.call(file)
|
||||
if @old_imgs.key?(fn)
|
||||
return (@images[fn] = @old_imgs.delete(fn))
|
||||
end
|
||||
|
||||
begin
|
||||
img = TkPhotoImage.new(:file=>fn)
|
||||
rescue
|
||||
return ((hs)? @@smallgray: @@biggray)
|
||||
end
|
||||
|
||||
if hs
|
||||
img2 = TkPhotoImage.new
|
||||
img2.copy(img, :subsample=>[2,2])
|
||||
img.delete
|
||||
img = img2
|
||||
end
|
||||
|
||||
if img.width * img.height > 20000
|
||||
b = TkPhotoImage.new(:width=>img.width, :height=>img.height)
|
||||
@big_imgs[b] = img
|
||||
img = b
|
||||
Tk.after_idle(proc{ move_big_image(b) })
|
||||
end
|
||||
|
||||
@images[fn] = img
|
||||
|
||||
img
|
||||
end
|
||||
|
||||
#
|
||||
# This routine is called for every <SCRIPT> markup
|
||||
#
|
||||
def script_cmd(*args)
|
||||
# puts "ScriptCmd: #{args.inspect}"
|
||||
end
|
||||
|
||||
# This routine is called for every <APPLET> markup
|
||||
#
|
||||
def applet_cmd(w, arglist)
|
||||
# puts "AppletCmd: w=#{w} arglist=#{arglist}"
|
||||
#TkLabel.new(w, :text=>"The Applet #{w}", :bd=>2, :relief=>raised)
|
||||
end
|
||||
|
||||
# This binding fires when there is a click on a hyperlink
|
||||
#
|
||||
def href_binding(w, x, y)
|
||||
lst = w.href(x, y)
|
||||
unless lst.empty?
|
||||
process_url(lst)
|
||||
end
|
||||
end
|
||||
|
||||
#
|
||||
#
|
||||
def sel_load
|
||||
filetypes = [
|
||||
['Html Files', ['.html', '.htm']],
|
||||
['All Files', '*']
|
||||
]
|
||||
|
||||
f = Tk.getOpenFile(:initialdir=>@last_dir, :filetypes=>filetypes)
|
||||
if f != ''
|
||||
load_file(f)
|
||||
@last_dir = File.dirname(f)
|
||||
end
|
||||
end
|
||||
|
||||
# Clear the screen.
|
||||
#
|
||||
def clear_screen
|
||||
if @html_fs && @html_fs.exist?
|
||||
w = @html_fs
|
||||
else
|
||||
w = @html
|
||||
end
|
||||
w.clear
|
||||
@old_imgs.clear
|
||||
@big_imgs.clear
|
||||
@hotkey.clear
|
||||
@images.each{|k, v| @old_imgs[k] = v }
|
||||
@images.clear
|
||||
end
|
||||
|
||||
# Read a file
|
||||
#
|
||||
def read_file(name)
|
||||
begin
|
||||
fp = open(name, 'r')
|
||||
ret = fp.read(File.size(name))
|
||||
rescue
|
||||
ret = nil
|
||||
fp = nil
|
||||
Tk.messageBox(:icon=>'error', :message=>"fail to open '#{name}'",
|
||||
:type=>:ok)
|
||||
ensure
|
||||
fp.close if fp
|
||||
end
|
||||
ret
|
||||
end
|
||||
|
||||
# Process the given URL
|
||||
#
|
||||
def process_url(url)
|
||||
case url[0]
|
||||
when /^file:/
|
||||
load_file(url[0][5..-1])
|
||||
when /^exec:/
|
||||
Tk.ip_eval(url[0][5..-1].tr('\\', ' '))
|
||||
else
|
||||
load_file(url[0])
|
||||
end
|
||||
end
|
||||
|
||||
# Load a file into the HTML widget
|
||||
#
|
||||
def load_file(name)
|
||||
return unless (doc = read_file(name))
|
||||
clear_screen()
|
||||
@last_file = name
|
||||
if @html_fs && @html_fs.exist?
|
||||
w = @html_fs
|
||||
else
|
||||
w = @html
|
||||
end
|
||||
w.configure(:base=>name)
|
||||
w.parse(doc)
|
||||
w.configure(:cursor=>'top_left_arrow')
|
||||
@old_imgs.clear
|
||||
end
|
||||
|
||||
# Refresh the current file.
|
||||
#
|
||||
def refresh(*args)
|
||||
load_file(@last_file) if @last_file
|
||||
end
|
||||
|
||||
# This routine is called whenever a "<meta>" markup is seen.
|
||||
#
|
||||
def meta(w, tag, alist)
|
||||
v = Hash[*simplelist(alist)]
|
||||
|
||||
if v.key?('key') && v.key?('href')
|
||||
@hotkey[v['key']] = w.resolve(v['href'])
|
||||
end
|
||||
|
||||
if v.key?('next')
|
||||
@hotkey['Down'] =v['next']
|
||||
end
|
||||
|
||||
if v.key?('prev')
|
||||
@hotkey['Up'] =v['prev']
|
||||
end
|
||||
|
||||
if v.key?('other')
|
||||
@hotkey['o'] =v['other']
|
||||
end
|
||||
end
|
||||
|
||||
# Go from full-screen mode back to window mode.
|
||||
#
|
||||
def fullscreen_off
|
||||
@fswin.destroy
|
||||
@root.deiconify
|
||||
Tk.update
|
||||
@root.raise
|
||||
@html.clipwin.focus
|
||||
clear_screen()
|
||||
@old_imgs.clear
|
||||
refresh()
|
||||
end
|
||||
|
||||
# Go from window mode to full-screen mode.
|
||||
#
|
||||
def fullscreen
|
||||
if @fswin && @fswin.exist?
|
||||
@fswin.deiconify
|
||||
Tk.update
|
||||
@fswin.raise
|
||||
return
|
||||
end
|
||||
|
||||
width = @root.winfo_screenwidth
|
||||
height = @root.winfo_screenheight
|
||||
@fswin = TkToplevel.new(:overrideredirect=>true,
|
||||
:geometry=>"#{width}x#{height}+0+0")
|
||||
|
||||
@html_fs = Tk::HTML_Widget.new(@fswin, :padx=>5, :pady=>9,
|
||||
:formcommand=>proc{|*args|
|
||||
form_cmd(*args)
|
||||
},
|
||||
:imagecommand=>proc{|*args|
|
||||
image_cmd(0, *args)
|
||||
},
|
||||
:scriptcommand=>proc{|*args|
|
||||
script_cmd(*args)
|
||||
},
|
||||
:appletcommand=>proc{|*args|
|
||||
applet_cmd(*args)
|
||||
},
|
||||
:hyperlinkcommand=>proc{|*args|
|
||||
hyper_cmd(*args)
|
||||
},
|
||||
:appletcommand=>proc{|*args|
|
||||
run_applet('big', *args)
|
||||
},
|
||||
:fontcommand=>proc{|*args|
|
||||
pick_font_fs(*args)
|
||||
},
|
||||
:bg=>'white', :tablerelief=>:raised,
|
||||
:cursor=>:tcross) {
|
||||
pack(:fill=>:both, :expand=>true)
|
||||
token_handler('meta', proc{|*args| meta(self, *args)})
|
||||
}
|
||||
|
||||
clear_screen()
|
||||
@old_imgs.clear
|
||||
refresh()
|
||||
Tk.update
|
||||
@html_fs.clipwin.focus
|
||||
end
|
||||
|
||||
#
|
||||
#
|
||||
def key_press(w, keysym)
|
||||
return if @key_block
|
||||
@key_block = true
|
||||
Tk.after(250, proc{@key_block = false})
|
||||
|
||||
if @hotkey.key?(keysym)
|
||||
process_url(@hotkey[keysym])
|
||||
end
|
||||
case keysym
|
||||
when 'Escape'
|
||||
if @fswin && @fswin.exist?
|
||||
fullscreen_off()
|
||||
else
|
||||
fullscreen()
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
############################################
|
||||
|
||||
TkHTML_File_Viewer.new(file)
|
||||
|
||||
Tk.mainloop
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue